#include <cstring>
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <sstream>
#include <string>
#include <iostream>
using namespace std;

void Random(string _file, int j){
               ofstream fout;
fout.open(_file.c_str());
               int r1,r2;
               for (int i=0 ; i<j ; i++){
                              r1 = rand() % 15;
                              r2 = rand() % 15;
                              fout<<5+r1<<":"<<5+r2<<"\n";
               }
               fout.close();
}
int main(){
    Random("Result.txt",100);
    return 0;
}
